.zong{
  width: 100vw;
}
.shi{
  display: flex;
}
.tou{
  text-align: center;
  font-size: 70px;
  color: #D75600;
}
.zi{
  font-size: 15px;
  color: black;
  width: 20vw;
  flex-shrink:0;
}
.kuang{
  /*width:75vw;*/
  font-size: 20px;
  margin: 5px;
  background-color:transparent;
  border-left-width:0px;
  border-top-width:0px;
  border-right-width:0px;
  border-bottom-color:black;
}
.pian{
  background-color:transparent;
  border-right-color: black;
  border-top-color: black;
  border-left-color: black;
  border-bottom-color: black;
  width: 45vw;
  height: 15vh;
  margin: 2vw;
}
.tu{
  margin-top: 5vw;
  width: 75vw;
  height: 50vw;
}
.jiang{
  /*background-color: white;*/
  /*width: 80vw;*/
  /*height: 70vw;*/
  margin-top: 5px;
}
